I thought there was a movement of "free hugs" https://www.freehugscampaign.org/

Does this work for you?

The other option may be to find a FWB.

其实单身有这个需求很幸福啦。你想想在婚姻里的因为各种原因不能离婚，又不能open marriage的，因为信仰或者其他原因不能找FWB的，选择不是更少吗。大量运动目前有用。